136136631 has 8 divisors (see below), whose sum is σ = 181874160. Its totient is φ = 90578432.

The previous prime is 136136621. The next prime is 136136639. The reversal of 136136631 is 136631631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136136631 - 2⁷ = 136136503 is a prime.

It is a super-2 number, since 2×136136631² = 37066364600060322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136136639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43050 + ... + 46103.

It is an arithmetic number, because the mean of its divisors is an integer number (22734270).

Almost surely, 2^136136631 is an apocalyptic number.

136136631 is a deficient number, since it is larger than the sum of its proper divisors (45737529).

136136631 is an equidigital number, since it uses as much as digits as its factorization.

136136631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89665.

The product of its digits is 5832, while the sum is 30.

The square root of 136136631 is about 11667.7603249295. The cubic root of 136136631 is about 514.4284745982.

The spelling of 136136631 in words is "one hundred thirty-six million, one hundred thirty-six thousand, six hundred thirty-one".